//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
public class Main {
        public static void main(String[] args) {
            int sum = 0;
            for (int i = 1; i <= 100; i++) {
                sum += i;
            }
            System.out.println("1到100的和是: " + sum);
        }

    }
